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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />POND T <br />RISER CREST = 6907.9; LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: L ~ ~ b 7 . -! <br />Sediment level (% total storage) S /cIn /~ P~' •N <br />Outflow (cfs): ~~ f ~Gi/ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments / <br />Inadequate Vegetation ~'j~a,,,~ ~'(%/t`~ <br />Outlet Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides t <br />Seepage `~+ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways ''~ <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps ~~~ <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: <br />INSPECTOR: 1C) 2-l/1~:J I/1f9-'7T~~-Slh~~ <br />is/pond/grtlypnd/Pondinsp.doc <br />